POSTS Tweet from Sat Dec 01 21:21:57 +0000 2012 December 1, 2012 in Microblog Once, on Twitter I wrote: Actually seriously is there a uml book for the 21st century? Tweet Previous: Tweet from Thu Nov 29 03:31:45 +0000 2012 Next: Tweet from Sat Dec 01 18:09:38 +0000 2012